Secret sharing schemes with three or four minimal qualified subsets

被引：35

作者：

Martí-Farré, J ^{[1
]}

Padró, C ^{[1
]}

机构：

[1] Univ Politecn Catalunya, Dept Matemat Aplicada 4, ES-08034 Barcelona, Spain

来源：

DESIGNS CODES AND CRYPTOGRAPHY | 2005年 / 34卷 / 01期

关键词：

cryptography; secret sharing schemes; information rate; ideal schemes;

D O I：

10.1007/s10623-003-4192-1

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In this paper we study secret sharing schemes whose access structure has three or four minimal qualified subsets. The ideal case is completely characterized and for the non-ideal case we provide bounds on the optimal information rate.

引用

页码：17 / 34

页数：18

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